(a) The electron and proton of a hydrogen a 5.3 x 10 m. Find the magnitudes of the electric force and gravitational force between the atom are separated by a distance of approximately two particles. (b) List and explain two different ways in which charges can be produced (e) Define the following terms; (i) Capacitance of the capacitor (ii)Capacitor (iii)potential difference Question 2 (a) Assuming three different resistors R₁, R₂ and R2. Derive an expression for the equivalent resistance Req, when they are connected (i) in paraallel and (ii) in series (b) An electric heater of resistance 6.00 draws 16A from the service mains. At what rate is the thermal energy developed in W? What is the cost of operating the heater for a period of 5,0 hours, at N250/kW.h? (c) A proton enters a magnetic field of 3.0 T with a velocity of 4.0 x 10'm/s at an angle 15° with the field. Compute the magnitude of the magnetic force on the proton.
